He was born circa 1735. His father was Sabas de la Garza, and his mother was Margarita Vela. His mother owned Camargo 62 grant.
He married Maria -.
He married Ana Maria Lucia Hinojosa, daughter of Marcelino Hinojosa and Lucia Ramirez in Sep 1768 in Mier. He was 33 years old, and the bride was 18 years old. It was his second marriage. Her father owned Mier 30 grant.
Jose Marcelino de la Garza. He married Maria Marcela Longoria, daughter of Jose Francisco Longoria and Maria Josefa Garcia.
Ana Francisca de la Garza. She married Jose Miguel Villarreal, son of Juan Bautista de Villarreal and Ana Josefa de Lon.
Magdalena de la Garza, born 1776. She married Jose Ignacio Perez, son of Francisco Javier Perez and Maria Josefa Rios on 8 Oct 1793 in Camargo.
In 1767, he was granted Camargo 62 by the King of Spain. A widow and her son were joint grantees. There was a small rancho at the site.